WO2017136217A1 - Bearing and process of making and using the same - Google Patents

Bearing and process of making and using the same Download PDF

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Publication number
WO2017136217A1
WO2017136217A1 PCT/US2017/015089 US2017015089W WO2017136217A1 WO 2017136217 A1 WO2017136217 A1 WO 2017136217A1 US 2017015089 W US2017015089 W US 2017015089W WO 2017136217 A1 WO2017136217 A1 WO 2017136217A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
variations
set forth
channel
dam region
Prior art date
Application number
PCT/US2017/015089
Other languages
English (en)
French (fr)
Inventor
Zachary S. ASHTON
Original Assignee
Borgwarner Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Borgwarner Inc. filed Critical Borgwarner Inc.
Priority to US16/074,147 priority Critical patent/US11098754B2/en
Priority to JP2018540033A priority patent/JP2019504974A/ja
Priority to KR1020187023547A priority patent/KR20180105673A/ko
Priority to EP17703623.3A priority patent/EP3411601B1/en
Priority to CN201780017829.4A priority patent/CN108779801B/zh
Publication of WO2017136217A1 publication Critical patent/WO2017136217A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/028—Sliding-contact bearings for exclusively rotary movement for radial load only with fixed wedges to generate hydrodynamic pressure, e.g. multi-lobe bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/1075—Wedges, e.g. ramps or lobes, for generating pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
    • F16C17/18—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with floating brasses or brushing, rotatable at a reduced speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/23—Gas turbine engines
    • F16C2360/24—Turbochargers

Definitions

  • the field to which the disclosure generally relates to includes bearing components used in bearing assemblies.
  • a number of bearing assemblies may be used to facilitate rotors in components including, but not limited to, turbochargers.
  • a number of variations may include a product comprising: a bearing comprising an axial channel formed along a longitudinal axis of the bearing having an inner radius comprising an inner surface and an outer radius comprising an outer surface and at least one dam region formed on the inner surface of the inner radius of the channel wherein the dam region comprises a modified crescent shape between 90 and 180 degrees about the longitudinal axis of the channel.
  • a number of variations may include a method comprising: providing a bearing assembly comprising a rotor, a bearing comprising an axial channel formed along a longitudinal axis of the bearing having an inner radius comprising an inner surface and an outer radius comprising an outer surface and at least one dam region formed on the inner surface of the inner radius of the channel wherein the dam region comprises a modified crescent shape between 90 and 180 degrees about the longitudinal axis of the channel, and a fluid film between the rotor and the bearing; and rotating the rotor within the bearing such that the dam region provides for an axial fluid film flow modification.
  • a number of variations may include a method comprising: providing a bearing comprising an axial channel formed along a longitudinal axis of the bearing having an inner radius comprising an inner surface and an outer radius comprising an outer surface; and machining the inner surface to provide at least one dam region formed on the inner surface of the channel wherein the dam region comprises a modified crescent shape between 90 and 180 degrees about the longitudinal axis of the channel.
  • FIG. 1 illustrates an axial view of a product according to a number of variations.
  • FIG. 1A illustrates a radial cross-sectional view of a product according to a number of variations.
  • FIG. 1 B illustrates a radial cross-sectional view of a product according to a number of variations.
  • FIG. 2A illustrates an axial view of a product according to a number of variations.
  • FIG. 2B illustrates an axial view of a product according to a number of variations.
  • FIG. 3A illustrates an axial view and a perspective radial cross- sectional view of a product according to a number of variations.
  • FIG. 3B illustrates an axial view and a radial cross-sectional view of a product according to a number of variations.
  • FIG. 3C illustrates two axial cross-sectional views and a perspective radial cross-sectional view of a product according to a number of variations.
  • FIG. 1 shows a product 10 according to a number of variations.
  • the product 10 may include a bearing 12.
  • the bearing 12 may be a component of a bearing assembly 1 1 .
  • the bearing 12 may include a primary or longitudinal axis 13.
  • the bearing 12 may include a bearing length L.
  • the bearing 12 may include a radial axis 15.
  • the bearing 12 may include a channel 14 formed along the primary or longitudinal axis 13 of the bearing 12.
  • the channel 14 or bearing 12 may have an inner radius R1 and the inner radius R1 may meet an inner surface 16 of the channel 14 at the bearing 12 along the radial axis 15.
  • the channel 14 or bearing 12 may have an outer radius R2 and the outer radius R2 may comprise an outer surface 18 of the bearing 12 along the radial axis 15.
  • the bearing 12 may include at least one dam region 20.
  • the dam region 20 may be formed on the inner surface 16 of the inner radius R1 of the channel 14 or the bearing 12.
  • the dam region 20 may include a modified crescent shape.
  • the modified crescent shape geometry may be defined as having at least one area of steadily decreasing inner radius R1 of the channel 14, followed by at least one apex or area of the lowest inner radius R1 of the modified crescent shape in the channel 14, followed by at least one area of steadily increasing inner radius R1 of the channel 14.
  • the modified crescent shape geometry may be defined as having one area of steadily decreasing inner radius R1 of the channel 14, followed by one apex or area of the lowest inner radius R1 of the modified crescent shape in the channel 14, followed by one area of steadily increasing inner radius R1 of the channel 14.
  • the modified crescent shape geometry may include a plurality of each of the areas and/or a plurality of apexes.
  • the dam region 20 may be located between 90 and 180 degrees about the longitudinal axis of the channel 14.
  • the bearing 12 may include a plurality of dam regions 20.
  • the bearing assembly 1 1 may further comprise a rotor 30.
  • the rotor 30 may be at least partially housed within the channel 14 of the bearing 12.
  • the rotor 30 may rotate within the bearing in a clockwise or counterclockwise direction about the longitudinal axis of the channel 14 formed within the bearing.
  • the bearing assembly 1 1 may further comprise a fluid film 32.
  • the fluid film 32 may comprise at least one of an oil, gasoline, kerosene, jet fuel, water, coolant, or may be another type. In a number of variations, the fluid film 32 may be at least partially housed within the channel 14 of the bearing 12. In a number of variations, the fluid film 32 may reduce friction between rotation of the rotor 30 and the bearing 12 in the bearing assembly 1 1 as rotation of the rotor 30 creates a axial fluid flow profile of the fluid film 32 within the bearing assembly 1 1 . In a number of variations, as the rotor 30 spins within the bearing 12 it develops a pressure field between the rotor 30 and the bearing 12.
  • this pressure field may develop cross-coupled stiffness between the rotor 30 and the bearing 12.
  • this cross-coupled stiffness may result in whirling of the rotor 30 within the bearing 12.
  • this may result in sub synchronous motion of the rotor 30 within the bearing 12 which may lessen the durability and produce unfavorable noise characteristics of the bearing assembly 1 1 while increasing vibration noise during rotation.
  • the dam region 20 may be constructed and arranged to provide for fluid film flow profile modification.
  • the fluid flow profile modification may be defined as a fluid flow profile that will result in greater static eccentricity and reduced cross-coupled stiffness that results in a stable rotor response at light static loads and high rpm depending on the application of the bearing assembly 1 1 .
  • the bearing 12 or bearing assembly 1 1 may be a component of a turbocharger.
  • the turbocharger may be a component of a vehicle and may increase output of an engine system within the vehicle.
  • the vehicle may include a motor vehicle, watercraft, spacecraft, aircraft, or may be another type.
  • the bearing 12 or bearing assembly 1 1 may be a semi-floating bearing. In a number of variations, the bearing 12 or bearing assembly 1 1 may be a fully-floating bearing.
  • the bearing 12 or bearing assembly 1 1 may be a journal bearing, bushing, sleeve bearing, rifle bearing, standard cylindrical bore bearing, profiled journal bearing, elliptical bearing, multi-lobe taper land bearing, offset bore bearing, roller thrust bearing, ball thrust bearing, roller bearing, ball bearing, magnetic bearing, flexture bearing, combinations thereof, or may be another type.
  • the bearing 12 or bearing assembly 1 1 may include a fluid film bearing, including the vertically inclined fixed geometry bearing, the horizontally inclined fixed geometry bearing, the tilting housing bearing, the upper tilted half bearing, the inclined pressure dam bearing, the inclined multi-lobed bearing, the converging-diverging bearing, the diverging converging bearing, the converging bearing, the diverging bearing, and the axially tilting bad Bearing, variations or combinations thereof, or may be another type.
  • a fluid film bearing including the vertically inclined fixed geometry bearing, the horizontally inclined fixed geometry bearing, the tilting housing bearing, the upper tilted half bearing, the inclined pressure dam bearing, the inclined multi-lobed bearing, the converging-diverging bearing, the diverging converging bearing, the converging bearing, the diverging bearing, and the axially tilting bad Bearing, variations or combinations thereof, or may be another type.
  • the bearing 12 may have a cylindrical shape.
  • the bearing 12 may have a truncated cone shape.
  • the bearing 12 may have a cross-sectional shape profile including, but not limited to, a circle, a triangle, a parallelogram, a square, a rhombus, a pentagon, a pentacle, a hexagon, a polygon, or may be another shape.
  • the bearing 12 may be a number of different shapes to fit its desired application, including, but not limited to, a hollow half cone, a hollow cube, a hollow cuboid, a hollow 3-D shape with a polygonal cross-section, a hollow half pyramid, a hollow prism, or may be another type.
  • the bearing 12 may be tapered along its length. In a number of variations, the bearing 12 may be filled in for a narrower cross section at points along its length. In a number of variations, the bearing 12 may be constructed to fit its desired application.
  • all components of the bearing assembly 1 1 may be made of the components (metallic, polymeric) that a bearing 12 or rotor 30 would include.
  • the components of the bearing assembly 1 1 may comprise a material including, but not limited to, plastic steel, stainless steel, copper, nickel, tin, noble metals, zinc, iron, bronze, aluminum, silicon, titanium, platinum, shellac, amber, aramid (including Twaron, Kevlar, Technora, Nomax), silk, leather, rubber, natural rubber, synthetic rubber, silicone rubber, fluoroelastomer rubber, butyl rubber (isobutylene-isoprene), hypalon rubber (chlorosulphonated polyethylene), epichlorohydrin rubber (epichlorohydrin), ethylene propylene diene rubber, fluorocarbon rubber, fluorosilicone rubber, hydrogenated nitrile rubber, nitrile rubber, perfluoroelastomer rubber, polyacrylic rubber, chlor
  • the bearing 12 may include a number of different regions along its longitudinal direction along the longitudinal axis 13.
  • the bearing 12 may include a first longitudinal bearing region 50.
  • the bearing 12 may include a second longitudinal bearing region 52.
  • the bearing 12 may include a third longitudinal bearing region 54.
  • the second longitudinal bearing region 52 may have a smaller outer radius R2 and a larger inner radius R1 than either of the first longitudinal bearing region 50 or the third longitudinal bearing region 54.
  • the second longitudinal bearing region 52 may have a larger outer radius R2 and a smaller inner radius R1 than either of the first longitudinal bearing region 50 or the third longitudinal bearing region 54. In a number of variations, the second longitudinal bearing region 52 may have the same outer radius R2 and/or the same inner radius R1 than either of the first longitudinal bearing region 50 or the third longitudinal bearing region 54. In a number of variations, at least one of the first longitudinal bearing region 50, the second longitudinal bearing region 52, or the third longitudinal bearing region 54 may contain at least one outer surface groove 60 cut into the outer surface 18 of the bearing 12. In a number of variations, this outer surface groove 60 may be cut along the longitudinal axis 13. In a number of variations, this outer surface groove 60 may be cut along the radial axis 15.
  • the outer surface groove 60 may be cut anywhere from 0 > X > 360° in the annular direction around the outer surface 18 of the bearing 12 at any point along the longitudinal axis 13 of the bearing 12. In a number of variations, the outer surface groove 60 may run down at least a portion of the bearing 12 in the longitudinal direction 13. In a number of variations, as shown in Fig. 4, at least one of the first longitudinal bearing region 50, the second longitudinal bearing region 52, or the third longitudinal bearing region 54 may contain at least one inner surface groove 62 cut into the inner surface 16 of the bearing 12. In a number of variations, this inner surface groove 62 may be cut along the longitudinal axis 13. In a number of variations, this inner surface groove 62 may be cut along the radial axis 15.
  • the inner surface groove 62 may be cut anywhere from 0 > X > 360° in the annular direction around the inner surface 16 of the bearing 12 at any point along the longitudinal axis 13 of the bearing 12.
  • the inner surface groove 62 may include an annular groove cut into the inner surface 16 of the inner radius R1 .
  • the inner surface groove 62 may run down at least a portion of the bearing 12 in the longitudinal direction 13.
  • the bearing may include a bore 70 cut into the outer surface 18 of the bearing 12 and extending through the channel 14.
  • the bore 70 may be cut through both outer surfaces 18, 18' of the bearing 12 and form a hole 71 in the bearing 12.
  • the bore 70 or hole 71 may be parallel to a radial axis 15 of the bearing 12. In a number of variations, the bore 70 or hole 71 may be offset from a radial axis 15 of the bearing 12. In a number of variations, as shown in Fig. 3, the bearing 12 may have varying inner diameters R1 along the length L of the bearing 12 in along the longitudinal axis 13.
  • Fig. 3A illustrates a non-limiting example of a semi- floating bearing 12.
  • Fig. 3B illustrates a non-limiting example of a fully floating bearing 12.
  • Fig. 3C illustrates a non-limiting example of a fully floating bearing 12 with a view of a floating busing.
  • the dam region 20 may include a modified crescent shape. As shown in Figs. 1A and 1 B, at least one dam region 20 may be included around the inner surface 16 of the bearing 12 at varying locations. In a number of variations, as shown In Fig. 1 B, the bearing 12 may include three dam regions 20 annularly spaced along the inner surface 18 of the inner radius R1 at 120 degree intervals. In a number of variations, the dam region 20 may have a dam apex amplitude of length D1 . In a number of variations, the dam region 20 may have an arc length D2. In a number of variations, the dam region 20 may have an axial length of D3.
  • the modified crescent shape may include a truncated crescent shape.
  • the modified crescent shape may include a two-dimensional cross-section shape in the radial direction 15 including, but not limited to, a circle, a triangle, a parallelogram, a square, a rhombus, a pentagon, a pentacle, a hexagon, a polygon, or may be another shape.
  • the dam region 20 may protrude along the inner surface 16 in the radial direction 15.
  • the dam region 20 may retreat along the inner surface 16 in the radial direction 15.
  • the dam region 20 may include an inner surface groove 62.
  • the bearing 12 or bearing assembly 1 1 may be manufactured by machining.
  • the bearing 12 or bearing assembly 1 1 may be formed through metal forming, forging, molding, flow forming, rolling, extrusion, laser cladding, metalworking, sintering, fabrication, welding, molding, brazing, casting, extrusion, forging, heat treatment, hydroforming, punching, shearing, spinning, or may be formed another way.
  • the inner surface 16 of the inner radius R1 inside the channel 14 may be machined to form at least one dam region 20.
  • the machining of the inner radius R1 may be done along a machining path.
  • the machining path may be formed through at least one of metal forming, forging, molding, flow forming, rolling, extrusion, laser cladding, metalworking, sintering, fabrication, welding, molding, brazing, casting, extrusion, forging, heat treatment, hydroforming, punching, shearing, spinning, spinning, snipping, sawing, roll slitting, reaming, plasma cutting, punch press, milling cutter, jigsaw, laser cutting, chamber reamer, diamond tooling, die, dremel, holing, ironworking, counterboring, countersinking, broaching, burring, or may be formed another way.
  • the dam region 20 may be formed along a shorter machining path in the radial direction. In a number of variations, the dam region 20 may be formed using a large machining tool. In a number of variations, this may increase the efficiency of forming a dam region 20 in the bearing 12 compared to other dam regions not including a modified crescent shape.
  • a method 800 is shown.
  • the method 800 may include in block 802 providing a bearing assembly 1 1 comprising a rotor 30 , a bearing 12 comprising an axial channel 14 formed along a longitudinal axis 13 of the bearing 12 having an inner radius R1 comprising an inner surface 16 and an outer radius R2 comprising an outer surface 18 and at least one dam region 20 formed on the inner surface 16 of the channel 14 wherein the dam region 20 comprises a modified crescent shape between 90 and 180 degrees about the longitudinal axis 13 of the channel 14, and a fluid film 32 between the rotor 30 and the bearing 12.
  • the method 800 may further include, in block 804, rotating the rotor 30 within the bearing 12 such that the dam region 20 provides for an axial fluid film flow modification.
  • a method 900 is shown.
  • the method 900 may include in block 902 providing a bearing 12 comprising an axial channel 14 formed along a longitudinal axis 13 of the bearing 12 having an inner radius R1 comprising an inner surface 16 and an outer radius R2 comprising an outer surface 18.
  • the method 900 may further include, in block 904, machining the inner surface 16 to provide at least one dam region 20 formed on the inner surface 16 of the channel 14 wherein the dam region 20 comprises a modified crescent shape between 90 and 180 degrees about the longitudinal axis 13 of the channel 14.
  • Variation 1 may include a product comprising: a bearing comprising an axial channel formed along a longitudinal axis of the bearing having an inner radius comprising an inner surface and an outer radius comprising an outer surface and at least one dam region formed on the inner surface of the inner radius of the channel wherein the dam region comprises a modified crescent shape between 90 and 180 degrees about the longitudinal axis of the channel.
  • Variation 2 may include a product as set forth in Variation 1 wherein the bearing further comprises a fluid film and wherein the dam region is constructed and arranged to provide for an axial fluid film flow modification.
  • Variation 3 may include a product as set forth in any of Variations 1 -2 wherein the bearing comprises a semi-floating bearing.
  • Variation 4 may include a product as set forth in any of Variations 1 -3 wherein the bearing comprises a fully-floating bearing.
  • Variation 5 may include a product as set forth in any of Variations 1 -4 wherein the dam region comprises an annular groove cut into the inner surface of the inner radius.
  • Variation 6 may include a product as set forth in any of Variations 1 -5 wherein the bearing is a component of a turbocharger of a vehicle.
  • Variation 7 may include a product as set forth in any of Variations 1 -6 wherein an axial length of the dam region is between 40 and 80% of an axial length of the bearing.
  • Variation 8 may include a product as set forth in any of Variations 1 -7 wherein the fluid film comprises an oil.
  • Variation 9 may include a product as set forth in any of Variations 1 -8 wherein the bearing comprises three dam regions annularly spaced along the inner surface of the inner radius at 120 degree intervals.
  • Variation 10 may include a product as set forth in any of Variations 1 -9 wherein the bearing comprises a cylindrical shape.
  • Variation 1 1 may include a method comprising: providing a bearing assembly comprising a rotor, a bearing comprising an axial channel formed along a longitudinal axis of the bearing having an inner radius comprising an inner surface and an outer radius comprising an outer surface and at least one dam region formed on the inner surface of the inner radius of the channel wherein the dam region comprises a modified crescent shape between 90 and 180 degrees about the longitudinal axis of the channel, and a fluid film between the rotor and the bearing; and rotating the rotor within the bearing such that the dam region provides for an axial fluid film flow modification.
  • Variation 12 may include a method as set forth in Variation 1 1 wherein the bearing comprises a semi-floating bearing.
  • Variation 13 may include a method as set forth in any of Variations 1 1 - 12 wherein the bearing comprises a fully-floating bearing.
  • Variation 14 may include a method as set forth in any of Variations 1 1 - 13 wherein the dam region comprises an annular groove cut into the inner surface of the inner radius.
  • Variation 15 may include a method as set forth in any of Variations 1 1 - 14 wherein the bearing is a component of a turbocharger of a vehicle.
  • Variation 16 may include a method as set forth in any of Variations 1 1 - 15 wherein an axial length of the dam region is between 40 and 80% of an axial length of the bearing.
  • Variation 17 may include a method as set forth in any of Variations 1 1 - 16 wherein the bearing comprises three dam regions annularly spaced along the inner surface of the inner radius at 120 degree intervals.
  • Variation 18 may include a method as set forth in any of Variations 1 1 - 17 wherein the bearing comprises a cylindrical shape.
  • Variation 19 may include a method comprising: providing a bearing comprising an axial channel formed along a longitudinal axis of the bearing having an inner radius comprising an inner surface and an outer radius comprising an outer surface; and machining the inner surface to provide at least one dam region formed on the inner surface of the channel wherein the dam region comprises a modified crescent shape between 90 and 180 degrees about the longitudinal axis of the channel.
  • Variation 20 may include a method as set forth in Variation 20 wherein the machining the inner surface to provide at least one dam region further comprises machining over a limited radial machining.
PCT/US2017/015089 2016-02-02 2017-01-26 Bearing and process of making and using the same WO2017136217A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US16/074,147 US11098754B2 (en) 2016-02-02 2017-01-26 Bearing and process of making and using the same
JP2018540033A JP2019504974A (ja) 2016-02-02 2017-01-26 軸受及びその製造並びに使用方法
KR1020187023547A KR20180105673A (ko) 2016-02-02 2017-01-26 베어링 및 그의 제조 및 사용방법
EP17703623.3A EP3411601B1 (en) 2016-02-02 2017-01-26 Bearing and process of making and using the same
CN201780017829.4A CN108779801B (zh) 2016-02-02 2017-01-26 轴承及其制造和使用过程

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662290111P 2016-02-02 2016-02-02
US62/290,111 2016-02-02

Publications (1)

Publication Number Publication Date
WO2017136217A1 true WO2017136217A1 (en) 2017-08-10

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Application Number Title Priority Date Filing Date
PCT/US2017/015089 WO2017136217A1 (en) 2016-02-02 2017-01-26 Bearing and process of making and using the same

Country Status (6)

Country Link
US (1) US11098754B2 (zh)
EP (1) EP3411601B1 (zh)
JP (1) JP2019504974A (zh)
KR (1) KR20180105673A (zh)
CN (1) CN108779801B (zh)
WO (1) WO2017136217A1 (zh)

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EP3411601B1 (en) 2020-11-25
US20210123473A1 (en) 2021-04-29
KR20180105673A (ko) 2018-09-28
CN108779801A (zh) 2018-11-09
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CN108779801B (zh) 2021-03-09
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